"oregon Bar Double Guard® Length 16" "thickness 1.3 Mm Pitch 3/8" "- A318 Bar Attachment - Sd Ferrule - No. Of Teeth 7 For Low-profile Chains ™ Series 91, The Bar For Woodcutters Using Electric Saws Small-displacement Petrol-driven Chainsaws With Micro-lite ™ Chains Of The 90 Series, Low-profile ™ Series 91 Or 25a (p) Chains With A 1/4 "pitch. Characteristics • The Slim And Symmetrical Shape Is Light, Easy To Handle And Reversible For Long Life • The Narrow Radius Tip Helps To Reduce The Kickback • The Models Are Available With The Intenz® Tensioning Mechanism Integrated In The Bar Itself • The Holes On The Bar For Mounting The Powersharp® Sharpener On The Bar Itself Are Available In Some Models: Recommended Sizes Electric Or Gas Chainsaw Up To 2.6 Cu. In (45 Cc) "